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Exercise and Auricular Acupuncture for Chronic Low-back Pain: A Feasibility Randomized-controlled Trial
Ruth F Hunter1, Suzanne M McDonough, Ian Bradbury
1Health and Rehabilitation Sciences Research Institute and School of Health Sciences, Northern Ireland.
The Clinical Journal of Pain
|July 15, 2011
Summary
Adding auricular acupuncture to exercise programs for chronic low-back pain (CLBP) is feasible and safe. This combination therapy showed greater improvements in disability compared to exercise alone, warranting further investigation in a large trial.
Area of Science:
- Pain Management
- Integrative Medicine
- Clinical Trial Feasibility
Background:
- Chronic low-back pain (CLBP) is a prevalent condition with significant disability.
- Exercise is a common treatment, but additional therapies may enhance outcomes.
- Auricular acupuncture (AA) is a potential complementary therapy for pain relief.
Purpose of the Study:
- To assess the feasibility of conducting a randomized-controlled trial (RCT) for CLBP.
- To evaluate the efficacy of adding auricular acupuncture (AA) to a standard exercise program.
Main Methods:
- A pilot RCT was conducted with 51 participants diagnosed with CLBP.
- Participants were randomized to either "Exercise Alone" (E) or "Exercise and AA" (EAA) for 12 weeks.
- The Oswestry Disability Questionnaire was the primary outcome measure, assessed at multiple time points.
Main Results:
- The EAA group showed a significantly greater improvement in the Oswestry Disability Questionnaire at 6 months (10.7% points) compared to the E group (6.7% points).
- Trends towards greater improvements were observed in quality of life, pain intensity, and fear-avoidance beliefs in the EAA group.
- The trial experienced a lower-than-anticipated dropout rate (15%) and similar exercise adherence between groups. AA was associated with mild adverse effects (1-14%).
Conclusions:
- A full-scale RCT investigating exercise combined with AA for CLBP is feasible.
- Auricular acupuncture is a safe adjunctive therapy that may offer additional benefits for CLBP management.
- Recruitment of 56 participants per group is recommended for a powered RCT.